Velux VS Fresh Air Skylights

VS manual venting skylights are perfect for replacing existing deck mounted skylights and new installations on a roof with an average to steep pitch.
They come in ten sizes with a daylight area from 2.3 to 10.7 sq. ft.

Velux VCS Fixed Skylights

Required for roof slopes less than 14° or 3:12.
VCS skylights are perfect for replacing existing curb mounted skylights and new installations on a roof with a low pitch. They come in seven sizes with a daylight area from 2.7-13.1 sq. ft.